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Alexandrite

Tsarstone collectors guide


Ultraviolet absorption

Ultraviolet absorption
When ultraviolet light transmit through a colored gemstone, due to colored sample certain wavelengths are absorbed more strongly than others. When the spectrum is passed through the medium into a testing spectroscope, the colors most strongly absorbed may show as dark bands or finer lines.
Bibliographic details
Page title Definition of Ultraviolet absorption
Author David Weinberg
Website title Alexandrite Tsarstone Collectors Guide
Date published 03 July 2010 05:43 UTC
Date accessed 18 June 2013 08:00 UTC
Permanent link http://www.alexandrite.net/viewpage.html?id=GG-080-00003
AMA style
David Weinberg. "Definition of Ultraviolet absorption". In Alexandrite Tsarstone Collectors Guide. July 03, 2010, 05:43 UTC. Available at: http://www.alexandrite.net/viewpage.html?id=GG-080-00003. Accessed June 18, 2013.
APA style
"Definition of Ultraviolet absorption". (2010, July 03). In Alexandrite Tsarstone Collectors Guide. Retrieved 08:00, June 18, 2013, from http://www.alexandrite.net/viewpage.html?id=GG-080-00003.
Bluebook style
"Definition of Ultraviolet absorption", http://www.alexandrite.net/viewpage.html?id=GG-080-00003 (last visited June 18, 2013).
Bluebook: Harvard JOLT style
See Alexandrite Tsarstone Collectors Guide, "Definition of Ultraviolet absorption", http://www.alexandrite.net/viewpage.html?id=GG-080-00003 (When ultraviolet light transmit through a colored gemstone, due to colored sample certain wavelengths are absorbed more strongly than others. When the spectrum is passed through the medium into a testing spectroscope, the colors most strongly absorbed may show as dark bands or finer lines.) (as of Jun. 18, 2013, 08:00 GMT).
CBE/CSE style
David Weinberg. "Definition of Ultraviolet absorption". In Alexandrite Tsarstone Collectors Guide. 2010 Jul 03, 05:43 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2010 Jul 03, 05:43 UTC [cited 2013 Jun 18]. Available from: http://www.alexandrite.net/viewpage.html?id=GG-080-00003.
Chicago style
David Weinberg, "Definition of Ultraviolet absorption", http://www.alexandrite.net/viewpage.html?id=GG-080-00003, (accessed June 18, 2013).
MLA style
"Definition of Ultraviolet absorption". Alexandrite Tsarstone Collectors Guide. 03 Jul 2010, 05:43 UTC. 18 Jun 2013 http://www.alexandrite.net/viewpage.html?id=GG-080-00003
MHRA style
David Weinberg, "Definition of Ultraviolet absorption", Alexandrite Tsarstone Collectors Guide, 03 July 2010, 05:43 UTC, http://www.alexandrite.net/viewpage.html?id=GG-080-00003 [accessed 18 June 2013].
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